HIWA Y-STRAINERS: Features: 1) DN:DN50-DN350 2) PN:PN10/PN16 3) working temperature:-29--232 4) Design standard: DIN, ANSI, BS, JIS etc. 5) Materials: Body: cast iron/ductile iron / Screen: 304 stainless steel / Gasket: graphite/PTFE/ Cover: grey cast iron / Drain plug: malleable iron/Cover Bolts & nuts: galvanized steel 6) Usage: Suitable on all types of pipelines to collect granulated foreign substances and contaminants collected.